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Finding the Fourth Proportional to 269,702,997.30, 404,554,495.95 and 269,702,997.30

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Solution

The fourth proportional to 269,702,997.30, 404,554,495.95 and 269,702,997.30 is: 404,554,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,702,997.30 : 404,554,495.95 = 269,702,997.30 : x
  2. Step 2: Convert to fraction form
    269,702,997.30/404,554,495.95 = 269,702,997.30/x
  3. Step 3: Cross multiply
    269,702,997.30x = 404,554,495.95 × 269,702,997.30
  4. Step 4: Simplify right side
    269,702,997.30x = 109,109,560,128,905,712
  5. Step 5: Solve for x
    x = 109,109,560,128,905,712/269,702,997.30
  6. Step 6: Final answer
    x = 404,554,495.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.